package com.talkweb.platform.commonapi.utils.os;

public class OSinfo
{
  private static String OS = System.getProperty("os.name").toLowerCase();

  private static OSinfo _instance = new OSinfo();
  private EPlatform platform;

  public static boolean isLinux()
  {
    return OS.indexOf("linux") >= 0;
  }

  public static boolean isMacOS() {
    return (OS.indexOf("mac") >= 0) && (OS.indexOf("os") > 0) && (OS.indexOf("x") < 0);
  }

  public static boolean isMacOSX() {
    return (OS.indexOf("mac") >= 0) && (OS.indexOf("os") > 0) && (OS.indexOf("x") > 0);
  }

  public static boolean isWindows() {
    return OS.toLowerCase().indexOf("windows") >= 0;
  }

  public static boolean isOS2() {
    return OS.indexOf("os/2") >= 0;
  }

  public static boolean isSolaris() {
    return OS.indexOf("solaris") >= 0;
  }

  public static boolean isSunOS() {
    return OS.indexOf("sunos") >= 0;
  }

  public static boolean isMPEiX() {
    return OS.indexOf("mpe/ix") >= 0;
  }

  public static boolean isHPUX() {
    return OS.indexOf("hp-ux") >= 0;
  }

  public static boolean isAix() {
    return OS.indexOf("aix") >= 0;
  }

  public static boolean isOS390() {
    return OS.indexOf("os/390") >= 0;
  }

  public static boolean isFreeBSD() {
    return OS.indexOf("freebsd") >= 0;
  }

  public static boolean isIrix() {
    return OS.indexOf("irix") >= 0;
  }

  public static boolean isDigitalUnix() {
    return (OS.indexOf("digital") >= 0) && (OS.indexOf("unix") > 0);
  }

  public static boolean isNetWare() {
    return OS.indexOf("netware") >= 0;
  }

  public static boolean isOSF1() {
    return OS.indexOf("osf1") >= 0;
  }

  public static boolean isOpenVMS() {
    return OS.indexOf("openvms") >= 0;
  }

  public static EPlatform getOSname()
  {
    if (isAix())
      _instance.platform = EPlatform.AIX;
    else if (isDigitalUnix())
      _instance.platform = EPlatform.Digital_Unix;
    else if (isFreeBSD())
      _instance.platform = EPlatform.FreeBSD;
    else if (isHPUX())
      _instance.platform = EPlatform.HP_UX;
    else if (isIrix())
      _instance.platform = EPlatform.Irix;
    else if (isLinux())
      _instance.platform = EPlatform.Linux;
    else if (isMacOS())
      _instance.platform = EPlatform.Mac_OS;
    else if (isMacOSX())
      _instance.platform = EPlatform.Mac_OS_X;
    else if (isMPEiX())
      _instance.platform = EPlatform.MPEiX;
    else if (isNetWare())
      _instance.platform = EPlatform.NetWare_411;
    else if (isOpenVMS())
      _instance.platform = EPlatform.OpenVMS;
    else if (isOS2())
      _instance.platform = EPlatform.OS2;
    else if (isOS390())
      _instance.platform = EPlatform.OS390;
    else if (isOSF1())
      _instance.platform = EPlatform.OSF1;
    else if (isSolaris())
      _instance.platform = EPlatform.Solaris;
    else if (isSunOS())
      _instance.platform = EPlatform.SunOS;
    else if (isWindows())
      _instance.platform = EPlatform.Windows;
    else {
      _instance.platform = EPlatform.Others;
    }
    return _instance.platform;
  }

  public static void main(String[] args)
  {
    System.out.println(getOSname());
  }
}